| Name | Arnica mollis Hooker |
| Authorship | Hooker |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Arnica Linnaeus |
| Contains | Arnica mollis var. petiolaris Fernald |
| GUID | urn:lsid:ipni.org:names:179001-1 |
| Citation | 1834 Fl. Bor.-Amer. [Hooker] 1: 331 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Arnica mollis Hooker |
| Identification made in | [no date] (1) |